中文摘要：

社交媒体已经成为美国的联邦政府与州政府履行职能和开展业务的重要工具,由此形成了大量具有证据和历史价值的记录,有着归档保管的需求。美国文件与档案署（NARA）和各州的档案、图书馆、信息技术等部门制定了社交媒体保管的政策,以指导政府机构的社交媒体保管工作。文章对这些政策做了简要梳理,并对代表性的政策进行具体介绍。依据对这些政策分析,对我国的社交媒体保管政策提出开放应对新技术、关注政策的价值、开展实践调研以及循序渐进制定政策的启示性建议。

英文摘要：

Social media has become a significant tool for the United States federal and state governments to perform functions and develop business, which results in numerous records of evidential and historical value with archival requirements. As a result, NARA and state archival, library, and information technology department develop the policy of social media preservation, to guide the management of social media of government agencies. This paper makes a brief overall introduction of related policies, and focu- ses on the typical policies. Finally, based on the analysis of the American policies, the paper proposes that it is supposed to be open to the new technology, pay attention to the value of the policy, carry out the practice research and develop policy gradually and orderly in China.